13432044420 has 72 divisors (see below), whose sum is σ = 43140576024. Its totient is φ = 3371179008.

The previous prime is 13432044419. The next prime is 13432044421. The reversal of 13432044420 is 2444023431.

It is a happy number.

13432044420 is a `hidden beast` number, since 1 + 34 + 3 + 204 + 4 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (13432044419) and next prime (13432044421).

It can be written as a sum of positive squares in 4 ways, for example, as 300259584 + 13131784836 = 17328^2 + 114594^2 .

It is not an unprimeable number, because it can be changed into a prime (13432044421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2191719 + ... + 2197838.

It is an arithmetic number, because the mean of its divisors is an integer number (599174667).

Almost surely, 2^13432044420 is an apocalyptic number.

13432044420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13432044420 is an abundant number, since it is smaller than the sum of its proper divisors (29708531604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13432044420 is a wasteful number, since it uses less digits than its factorization.

13432044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389589 (or 4389584 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13432044420 its reverse (2444023431), we get a palindrome (15876067851).

The spelling of 13432044420 in words is "thirteen billion, four hundred thirty-two million, forty-four thousand, four hundred twenty".